Side by side
Northern Star Watch SentinelvsSeiko Prospex Land Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Sentinel40.5mm
Prospex Land Mechanical39.5mm
Power Reserve
Sentinel42h
Prospex Land Mechanical72h
Water Resistance
Sentinel50m
Prospex Land Mechanical200m
MSRP
Sentinel$649
Prospex Land Mechanical$995
Full specifications
Case
6 specsCategory
—
Field
Diameter
40.5mm
39.5mm
Thickness
10.1mm
12.7mm
Lug-to-Lug
43.72mm
46.4mm
Lug Width
20mm
20mm
Water Resistance
50m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Miyota 90S5
6R55
Power Reserve
42h
72h
Jewels
25
24
Pricing
1 specsMSRP
$649
$995
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